Flood Risk Assessment Mapping of Nainital District Using GIS Tools

Abstract

Natural disasters, over which humans have no control and which cause far more harm than man-made disasters, have posed the greatest challenge to humanity. Floods are a hydrological disaster that has occurred often in our country since its founding. Rivers like the Ganga and the Brahmaputra run through India. All of these rivers, as well as their tributaries, are involved in a variety of agricultural and human activities. Floods have claimed countless lives and wreaked havoc on the banks of our country’s rivers on numerous occasions. The major goal of our research is to evaluate the many aspects that influence flood risk zonation mapping of 2021 and, as a result, damage assessment. The study area will be the Nainital district of the state of Uttrakhand, with Sentinel 2A as the dataset. The flood mitigation indices, climatic factors, and shapefiles will be interpolated using the Analytical Hierarchical Process (AHP), which will aid in the construction of Flood risk zonation mapping. Flood research is essential in order to reduce the loss and destruction caused by this tragedy.